Nursing manpower allocation based on working hour measurement in bone marrow transplant unit  
YAN Xia, XU Xiao-dong, YANG Zi-ying, HE Xin-xin, SUN Hui, LIU Xiao-lin, LI Dan, YI Xiang-li, WANG Yu
Chinese Journal of Nursing . 2016, (7): 823 -826 .